Finding the Fourth Proportional to 192,987.27, 289,481.58 and 136,657.01
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Solution
The fourth proportional to 192,987.27, 289,481.58 and 136,657.01 is: 204,985.99
Step by Step Solution
- Step 1: Write the proportion equation
192,987.27 : 289,481.58 = 136,657.01 : x - Step 2: Convert to fraction form
192,987.27/289,481.58 = 136,657.01/x - Step 3: Cross multiply
192,987.27x = 289,481.58 × 136,657.01 - Step 4: Simplify right side
192,987.27x = 39,559,685,725.47 - Step 5: Solve for x
x = 39,559,685,725.47/192,987.27 - Step 6: Final answer
x = 204,985.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.